3. The strongest part of a magnet is... (think of the exact spot where the magnet attracts)
Their Poles
10
4. How is a permanent magnet DIFFERENT from a temporary magnet?
A permanent magnet keeps / retains its magnetism for a longer period of time.
15
5. A device that uses a free-moving magnetic needle to show direction is a:
Compass
10
7. Iron, Nickel and cobalt are all __________________ materials
Magnetic
10
8. Do these magnets attract or repel?
Attract
10
9. A magnent has a _____ and a _________ pole.
A North Pole & a South pole
15
10. A magnetized iron nail, wrapped in copper wire and hooked to a battery, is called a ________ magnet.
electro-magnet
10
11. I keep magnetism for a short amount of time. What am I?
Temporary Magnets
10
12. A naturally occurring magnetic material is a __________ magnet.
Permanent
10
6. A magnet will attract to a plastic bottle. True or False
False
10
2. If Bob uses an electro magnet to pick up a car, what happens when the power goes out?
The car will fall.
10
1. IF I glue the south pole of one magnet under a thin piece of wood and the south pole of a another magnet on top of the wood, what would happen to the magnet?
The magnets would repel. The one on top may float.
